A.Data Definition Language (DDL) statements

B.non-default database parameters

C.block corruption errors

D.deadlock errors

E.session logins and logouts

A.one instance on one server associated with one database

B.two or more instances on separate servers all associated with one database

C.one instance on one server associated with two or more databases on the same server

D.one instance on one server associated with two or more databases on separate servers

E.one instance on one server not associated with any database

A.undo segments are owned by SYSBACKUP.

B.undo segments are owned by SYSTEM.

C.An instance will crash if the active undo tablespace is lost.

D.There can be only one undo tablespace created in a database.

E.An undo tablespace may be owned by only one instance.

A.SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;

B.SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;

C.SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;

D.SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;

E.SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;

A.Additional data files may not be added

B.It must be bigger than the largest SMALLFILE tablespace

C.It will always have a 32K blocksize

D.It will be a dictionary-managed tablespace by default

E.AUTOEXTEND is possible for the datafile